一、做实意动词。

（1）表示“有”。

I have a dream. 我有一个梦想。

否定形式：I don’t have a dream. 我没有梦想。

当然也可以说 I have no dreams.

疑问形式：Do you have a dream？

（2）参加某些活动。

We are going to have a meeting this Thursday. 这周四我们要开会。

（3）表示患病；生育。

I have a headache. 我脑瓜疼。

She will have a baby in winter. 她会在冬天生产。

（4）表示吃喝。

I wanted to have a cup of tea .我想喝杯茶。

（5）组成复合结构

have sb. do sth. 让别人做某事

The teacher has her students do their homework. 老师让学生写作业。

(have sb.(sth.)doing 让别人一直做某事

The teacher has her students doing their homework all night long.老师让学生一直做作业。

have sb. (sth.)done 某件事被做；遭遇到某事

He has the floor cleaned. 他找人清理了地板。

The couple had their windows broken. 这对夫妇家的窗户被打破了。

（6）have to do不得不做某事

I have to memorize these words tonight. 我今晚必须记住这些单词。

（7）have nothing(something)to do with，表示“和…无（有）”关系

Most of the questions have nothing to do with your subject. 很多问题与你的学科无关。

二、做助动词。

（8）have done 现在完成时

Great changes have taken place. 发生了巨大的变化。

（9）must＋have+done，表示对过去时间发生的动作或存在的情况的推测

You must have left your bag in the theatre. 你肯定把包落在剧院了。

（10）should＋have＋done，表示“某事本该早做而实际未做”

You should have arrived at the station at 5.00. 你本应该5点到车站的。

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